Performing RSU - Rolling Schema Upgrade - in a safe way is much more complex than just running a couple of commands. This blog post explains the RSU method for schema changes in Galera Cluster for MySQL, MariaDB Galera Cluster or Percona XtraDB Cluster.

Docker 1.13 introduces a long-awaited feature called Compose-file support. Compose-file defines everything about an application - services, databases, volumes, networks, and dependencies can all be defined in one place. In this blog, we’ll show you how to use Compose-file to simplify the Docker deployment of MySQL containers.

Online schema changes are a fact of life for any DBA. While there are tools to assist, for example, Percona’s pt-online-schema-change, it does not come without drawbacks. GitHub released a new online schema change tool called gh-ost. This post looks at how gh-ost compares to pt-online-schema-change, and how it can be used to address some limitations.

Our journey to make Galera Cluster run smoothly on Docker containers continues. Deploying Galera Cluster on Docker is tricky when using orchestration tools. With this blog, find out how to deploy a homogeneous Galera Cluster with etcd.